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Square D QO120K - 20A 1-Pole Thermal Magnetic Circuit Breaker

Square D
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Square D QO120K is a molded case circuit breaker designed for providing reliable overcurrent protection in residential and light commercial electrical systems. It features a 20A current rating and a 240V AC voltage rating, housed in a compact plug-in unit measuring 3.0 in (76 mm) H x 0.7 in (19 mm) W x 2.9 in (74 mm) D and weighing 0.31 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, with a 10kA interrupting capacity at 240V, ensuring compliance with industry safety standards for single-phase applications.

Key Features & Specifications
  • Type: Molded Case, Thermal-Magnetic Protection, Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Dimensions: 3.0 in H x 0.7 in W x 2.9 in D (76 mm x 19 mm x 74 mm)
  • Weight: 0.31 lb
  • Phase: 1
  • Poles: 1
  • AIC Rating: 10kA @ 240V
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Connection Type: Plug-In
  • Family: QO Series


Product Identification
  • UPC: 785901401681
  • GTIN: 00785901254836